<!DOCTYPE html>
<!-- Page 3 -->
<html>
<head>
	<title>A Simple Canvas /example</title>
	<style>
		body {
			background-color: #dddddd;
		}

		#canvas {
			margin: 10px;
			padding: 10px;
			background-color: #ffffff;
			border: thin inset #aaaaaa;
			/*width: 600px;
			height: 300px;*/
		}
	</style>
</head>
<body>
	<canvas id="canvas" width="600" height="300"/>
	<!--<canvas id="canvas"/>-->
	<!-- canvas的width和height不同，可以达到自然缩放的效果，神奇！ -->
	<!--<canvas id="canvas" width="450" height="225"/>-->
	<script src="example.js"></script>
</body>
</html>
